He also tweeted a tribute after the recent death of former US President George H.W. Bush

With the tweet saying, "With more than 15 years of a close personal relationship with Presidents Bush 41 & 43, I extend my deepest sympathies to the Bush family and to the American people upon President George H.W. Bush’s passing."

With more than 15 years of a close personal relationship with Presidents Bush 41 & 43, I extend my deepest sympathies to the Bush family and to the American people upon President George H.W. Bush’s passing.https://t.co/6aRqH5mLM8